Post 296
SSC CHSL Questions 2014
Question 159 A wire of resitance R is cut into n equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be
A) nR
B) R/n
C) n/R
D) R/n2
Answer : R/n2
Explanation: because when a wire is cut in two equal parts then the resistance of the combination comes to be R/4.Advertisements
Question 160 A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. Which physical quantity is conserved in this process?
A) Momentum and kinetic energy
B) Momentum alone
C) Kinetic energy alone
D) Neither momentum nor kinetic energy
